Resource exhaustion in Xen
CVE-2017-15595
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/10/msg00021.html (mailing-list)
- xenbits.xen.org/xsa/advisory-240.html (Patch, Mitigation, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2017/11/msg00027.html (mailing-list)
- www.debian.org/security/2017/dsa-4050 (vendor-advisory)
- www.exploit-db.com/exploits/43014/ (exploit)
- support.citrix.com/article/CTX228867
- security.gentoo.org/glsa/201801-14 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-15595?
- CVE-2017-15595 is a high-severity vulnerability in Xen, classified under Uncontrolled Resource Consumption. CVSS score: 8.8/10. Published 2017-10-18.
- How severe is CVE-2017-15595?
- High severity. CVSS v3 base score is 8.8 out of 10.